Yard-Man 31AE993I401 User Manual

33-inch Two Stage
Snow Thrower
Model 31AE993I401
PRINTED IN U.S.A.
Operator’s Manual
FORM NO .
770-10278D.fm
(6/2003)
IMPORTANT: Read safety rules and instructions carefully before operating equipment.
Warning: This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forest-
covered, brush-covered or grass-covered land unless the engine’s exhaust system is equipped with a spark arrester meeting
applicable local or state laws (if any). If a spark arrester is used, it should be maintained in effective working order by the operator.
In the State of California the above is required by law (Section 4442 of the California Public Resources Code). Other states may have
similar laws. Federal laws apply on federal lands. A spark arrester for the muffler is available through your nearest engine authorized
service dealer or contact the service department, P.O. Box 361131 Cleveland, Ohio 44136-0019.
MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019

Yard-Man 31AE993I401 Specifications

General

Brand	Yard-Man
Model	31AE993I401
Category	Snow Blower
Language	English

Summary

Important Safe Operation Practices

Training

Read, understand, and follow all instructions on the machine and in the manual(s) before attempting to assemble and operate.

Preparation

Thoroughly inspect the area, remove foreign objects, and wear safety glasses before operating.

Operation

Guidelines for safe operation, including avoiding moving parts and keeping bystanders clear.

Assembling Your Snow Thrower

Final Adjustments

Making critical final adjustments before the first operation to prevent damage.

Traction Control & Shift Lever

Testing and adjusting the traction control and shift lever for proper engagement and speed selection.

Auger Control

Checking and adjusting the auger control cable for safe engagement and disengagement.

Knowing Your Snow Thrower

Traction Control / Auger Control Lock

Understanding the dual-function lever that controls traction and locks the auger.

Operator Controls

Operating Your Snow Thrower

Pre-Operation Checks

Steps before starting: reading manuals, gas/oil fill-up, and safety checks.

Starting and Stopping Engine

Procedures for starting the engine using electric or recoil starter and for stopping it.

Engaging Drive and Augers

How to engage the wheel drive and augers for snow throwing.

Making Adjustments

Traction Control

Detailed steps for checking and adjusting the traction control system.

Maintaining Your Snow Thrower

Lubrication

Servicing Your Snow Thrower

Replacing Belts

Changing Friction Wheel Rubber

Off-Season Storage

Troubleshooting

Engine fails to start.

Common causes and remedies for the engine failing to start.

Engine runs erratic.

Loss of power.

Unit fails to propel itself.

Unit fails to discharge snow.